- American Association of Equine Practicioners
- American Holsteiner Horse Association, Inc.
- Andalusian Horse Association
- Appaloosa Horse Club
- Arabian Horse Bookshelp
- Arabian Horse World Quarterly
- British Eventing
- Endurance net
- Equestrian Times
- Equine Protozoal Myeloencephalitis
- Equine Strangles
- Equine Tetanus
- Farrier and hoofcare resource center
- Free horse clip art
- Hay net -- very comprehensive site for links to horse sites
- Horse Breeds --OK state site
- Horse Genetics
- Horse Genetics - coat color
- Horse Interactive
- Icelandic Horse
- Jockey Club -- Resource Information of Thoroughbred Horses
- Kentucky Equine Research
- Laminitis Page
- Lipizzan Association
- Morab Horse
- United States Combined Training Association
- United States Dressage Feteration
- United States Equestrian Team
- United States Online Eventing Magazine